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	Analysis and design of an ultra-wide temperature difference very long wave infrared multifunctional imaging spectrometer
	J. Zhang, Y. Zheng and C. Lin
	2023
发表期刊	Applied Optics
ISSN	1559128X
卷号	62期号:34页码:9096-9107
摘要	The detection of various cryogenic targets, including the polar cryosphere, high-altitude clouds, and cosmic galaxies through spectral analysis, is a highly valuable area of research. Nevertheless, creating a very long wave infrared (VLWIR) imaging spectrometer capable of detecting these targets presents a significant challenge. In this paper, we introduce a design concept for an ultra-wide temperature difference athermalization VLWIR multifunctional imaging spectrometer. Initially, we analyze the multifunctional characteristics of an imaging spectrometer that utilizes a coaxial optical layout. Subsequently, we delve into the constraints associated with smile aberration correction and coaxial optical layout of the imaging spectrometer, which utilizes a grism as the dispersion component. Finally, we construct a computational model to determine the parameters of the grism. In the study, we provide evidence that imaging spectrometers with symmetrical structural forms can effectively minimize the impact of temperature variations on the system. Building on these findings, we developed the ultra-wide temperature difference athermalization VLWIR multifunctional imaging spectrometer, which boasts a temperature variation range over 200 K. This versatile instrument features a multifunctional mode that can be easily tuned to meet a range of observation missions. The spectrometer has a spectral range of 12 µm to 16 µm, a field of view (FoV) of 16.8 mm × 6 mm, a numerical aperture (NA) of 0.334, an alignment temperature of 293.15 K, and an operating temperature of 60 K. The analysis results demonstrate the many working modes and high imaging quality of the designed imaging spectrometer. This paper’s research offers a fresh approach for low-temperature VLWIR imaging spectrometer systems. © 2023 Optica Publishing Group.
DOI	10.1364/AO.503330
URL	查看原文
收录类别	ei
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/68175
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	J. Zhang, Y. Zheng and C. Lin. Analysis and design of an ultra-wide temperature difference very long wave infrared multifunctional imaging spectrometer[J]. Applied Optics,2023,62(34):9096-9107.
APA	J. Zhang, Y. Zheng and C. Lin.(2023).Analysis and design of an ultra-wide temperature difference very long wave infrared multifunctional imaging spectrometer.Applied Optics,62(34),9096-9107.
MLA	J. Zhang, Y. Zheng and C. Lin."Analysis and design of an ultra-wide temperature difference very long wave infrared multifunctional imaging spectrometer".Applied Optics 62.34(2023):9096-9107.

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Analysis and design （39776KB）	期刊论文	出版稿	开放获取	CC BY-NC-SA	浏览 请求全文

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